Floor air purifier



FIG. 1 is a top left side perspective view showing the new design for floor air purifier;

FIG. 2 is a rear right side perspective view thereof;

FIG. 3 is rear bottom side perspective view from underneath thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a front perspective view in a partially exploded view thereof;

FIG. 11 is another perspective view thereof;

FIG. 12 is a front view thereof;

FIG. 13 is a rear view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a right side view thereof;

FIG. 16 is a top plan view thereof; and,

FIG. 17 is a bottom plan view thereof.

The broken lines in the figures show portions of the floor air purifier that form no part of the claimed design. 

CLAIM The ornamental design for a floor air purifier, as shown and described. 